Maestro RM-1B Ring Modulator with Control Pedal Fuzz This Sound Master SR-88 page

This Sound Master SR-88 page on Dubsounds has some good info on this

The cosmetic condition of this unit is excellent with only very minor scuffs to the face

as do the various onboard tweaks for individual sounds

The reverb sounds good

Maestro RM-1B Ring Modulator with Control Pedal Fuzz This Sound Master SR-88 pageSuper rare early 70s effect unit. For sale serviced, calibrated and sounding wild. Comes with the Pitch Modulation control pedal and print out of the tuning instructions should you need to adjust the internal trimmers. Note you will need two balanced (stereo) 1 4" jack cables (included, only one shown in photos) to connect the pedal to the unit (but you can use the unit without the pedal and slide the controls by hand). Condition is clean with some